Carly Ann Gerretsen, NP
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 27
- Hospital affiliations
- 3
- Industry payments
- $158
- Medical group
- 1
- Practice address
- 462 Grider Street, Buffalo, NY 14215
- Practice phone
- Call (716) 898-3936
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Carly Gerretsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Carly Ann Gerretsen is a family nurse practitioner in Buffalo, New York
Carly Gerretsen practices at Erie County Medical Center in Buffalo, New York, part of Erie County Medical Center.
Carly Gerretsen's NPI, 1871783134, was assigned on August 1, 2007. Carly Gerretsen holds New York license F335122.
- NPI
- 1871783134NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890884332
- NPI enumeration date
- August 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 898-3936
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Carly Ann Gerretsen practices at Erie County Medical Center in Buffalo, New York
Carly Gerretsen's primary practice is Erie County Medical Center, at 462 Grider Street, Buffalo, NY 14215 in Erie County. The practice phone is (716) 898-3936.
- Erie County Medical Center462 Grider Street, Buffalo, NY 14215 · Erie CountyPhone(716) 898-3936
Source: Dmand AI Affiliation Data
Carly Ann Gerretsen is affiliated with 4 sites of care and 1 medical group
Carly Gerretsen's primary practice is Erie County Medical Center in Buffalo, New York, part of Erie County Medical Center. Carly Gerretsen is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Erie County Medical Center (ECMC). Dmand AI also links Carly Gerretsen to 1 more hospital and 1 dialysis center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Carly Ann Gerretsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Carly Gerretsen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Erie County Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Erie County Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Carly Ann Gerretsen is one of 10,214 family nurse practitioners in New York
Family is Carly Gerretsen's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Carly Gerretsen is licensed in New York.
Specialties and state licenses
- Family nurse practitioner, New YorkPrimary
Family nurse practitioners near Carly Gerretsen
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Carly Ann Gerretsen treated 15 Medicare patients in 2024, average age 68
CMS counts 15 Medicare patients who saw Carly Gerretsen in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Carly Gerretsen's median patient age at 70, with 31% women.
Carly Gerretsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Carly Gerretsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Carly Gerretsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Carly Ann Gerretsen wrote 27 Medicare Part D claims in 2024
In 2024, Carly Gerretsen wrote 27 Medicare Part D claims for 14 patients. 93% of them were for generic drugs.
Carly Gerretsen's Part D claims by kind of drug, 2024
- Generic25 claims93%
- Brand-name and other2 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Carly Ann Gerretsen takes part in Medicare
Carly Gerretsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Carly Ann Gerretsen received $158 in industry payments in 2025
CMS Open Payments shows 6 general payments to Carly Gerretsen from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $63.
Companies that paid Carly Gerretsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Carly Ann Gerretsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Carly Ann Gerretsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Carly Ann Gerretsen's NPI number?
Carly Ann Gerretsen's NPI number is 1871783134. It was assigned on August 1, 2007, and it is active in the NPI Registry.
What does Carly Ann Gerretsen specialize in?
Carly Ann Gerretsen is a family nurse practitioner in Buffalo, New York. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Carly Ann Gerretsen practice?
Carly Gerretsen practices at 462 Grider Street, Buffalo, NY 14215. Carly Gerretsen's primary practice is Erie County Medical Center in Buffalo, New York, part of Erie County Medical Center. Dmand AI also links Carly Gerretsen to 1 hospital and 1 dialysis center.
What is Carly Ann Gerretsen's office phone number?
The practice phone on file for Carly Gerretsen is (716) 898-3936.
What is Carly Ann Gerretsen's medical license number?
Carly Gerretsen holds New York license F335122.
Which hospitals is Carly Ann Gerretsen affiliated with?
Carly Gerretsen practices at Erie County Medical Center in Buffalo, New York. Carly Gerretsen is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Carly Gerretsen to 1 more hospital.
What medical group is Carly Ann Gerretsen part of?
Carly Gerretsen is linked to Erie County Medical Center (ECMC).
Does Carly Ann Gerretsen accept Medicare?
Yes. CMS lists Carly Gerretsen as accepting Medicare assignment.
How many Medicare patients does Carly Ann Gerretsen see?
CMS counts 15 Medicare patients who saw Carly Gerretsen in 2024, with an average age of 68.
Has Carly Ann Gerretsen received payments from drug or device companies?
CMS Open Payments shows $158 in general payments to Carly Gerretsen from 4 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Carly Ann Gerretsen been practicing?
Carly Gerretsen graduated from medical school in 2006, 20 years ago.
Selling to family practices?
See family nurse practitioners in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card